Emergency personnel respond to a shooting inside North Park School Elementary School on Monday in San Bernardino, Calif. (Rick Sforza/Los Angeles Daily News via AP) SAN BERNARDINO, Calif. (AP) – An apparent murder-suicide inside an elementary school classroom in San Bernardino left two adults dead, including a teacher, and two students wounded, police and school officials said. Investigators believe “the suspect is down” and that North Park School faces no further threat, Police Chief Jarrod Burguan said on Twitter. Two students were airlifted to a hospital after what was believed to be a domestic dispute, San Bernardino City Unified School District spokeswoman Maria Garcia told news station KNBC-TV.